TRANScriptional Pathways Of Surgical Pain Modulated by Music Therapy Exposure (TRANSPOSE)

Participants may take part in this study if they are scheduled to undergo a surgery that meets the following: (1) traditional open surgery via laparotomy, (2) length of surgery \>3 hours, and (3) curative-intent surgical resection of a cancer in the stomach, pancreas, bile ducts, liver, or peritoneal surfaces. The purpose of this study is (1) to evaluate the feasibility of collecting blood samples prior to surgery, post-surgery and pre- music-assisted relaxation and imagery (MARI) intervention, and immediately post-MARI intervention and (2) to identify gene expression changes associated with MARI and explore their relationship with immediate changes in pain intensity. Participants will be in this study for the duration of their hospital admission for surgery.